Commonly used slang term for "Laughing out Loud" or "lol", but this is generally used by FREAKING IDIOT LAMERS THAT CAN'T TYPE ENGLISH CORRECTLY. Mostly those AIM chicks that type in rotating caps. But either way, it's lame.

Bladezero13:hey connor
Michigan2015wat: hey evan i talked 2 laura 2day and she says nicole is still pissed an were acting like we care
Bladezero13:LOLZ hey man dont go out with brenda...EVER OR I WILL COMMIT SUICIDE IN YOUR FRONT YARD jk but il do somthin
Michigan2015wat:lol i wont and that really wasnt relavent